Tymsay Fm
Period:
Carboniferous
Age Interval:
Lower Carboniferous, Z5
Province:
Zarafshan-N.Gissar
Type Locality and Naming
Along the Tym River, Zirabulak-Ziaetdin Mountains. V.S. Korsakov in 1960-1961 (460, p. 170).
Synonym: Tymsay Suite, Тымсайская св.
Lithology and Thickness
Clay slates, siltstone (aleurolites), sandstones, gravels, conglomerates, dacites and their tuffs, cherts. Thickness 800-900m.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Lies unconformably on Ordovician, Silurian, and Devonian formations
Upper contact
It is overlain with angular unconformity by the Tepalik Fm.
Regional extent
Zirabulak-Ziaetdin Mountains, basin of the Tym River, Devanasya, Ovhanasya, Mount Terikbaba.
GeoJSON
null
Fossils
Contains brachiopods Laptaenella sp. and Gryptenella sp.
Age
Belongs to the Lower Carboniferous by comparison with similar formations in adjacent regions. (Aysanov et al., 1967).
Age Span:
Beginning stage:
Tournaisian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
359.30
Ending stage:
Tournaisian
Fraction up in the ending stage:
1.0
Ending date (Ma):
346.73
Depositional setting
Depositional pattern:
Additional Information
Compiler:
V.V. Mikhailov – In: GeoGPT translation of: “Abduazimova, Z.M. (Ed.), 2001. Stratigraphic Dictionary of Uzbekistan. IMR (Institute of Mineral Resources), Tashkent, 580 pp. (In Russian)”